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INA219AIDCNRG4 from TI,Texas Instruments

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INA219AIDCNRG4

Manufacturer: TI

Zer?-Drift, Bi-Directional CURRENT/POWER MONITOR with I2C? Interface

Partnumber Manufacturer Quantity Availability
INA219AIDCNRG4 TI 305 In Stock

Description and Introduction

Zer?-Drift, Bi-Directional CURRENT/POWER MONITOR with I2C? Interface The **INA219AIDCNRG4** is a current shunt and power monitor from Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** INA219AIDCNRG4  
- **Type:** Bidirectional Current/Power Monitor with I²C Interface  
- **Supply Voltage Range:** 3V to 5.5V  
- **Measurement Range:**  
  - Bus Voltage: 0V to 26V  
  - Shunt Voltage: ±320mV  
  - Current: Programmable full-scale range (depends on shunt resistor)  
- **Resolution:**  
  - 12-bit ADC for bus voltage  
  - 12-bit ADC for shunt voltage  
- **Interface:** I²C (up to 3.4 MHz)  
- **Accuracy:**  
  - Offset Error: ±100 µV (max)  
  - Gain Error: ±0.5% (max)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-8  

### **Descriptions:**  
The INA219 is a high-side current shunt and power monitor that communicates via I²C. It measures voltage, current, and power consumption, making it suitable for battery monitoring, power management, and system diagnostics.  

### **Features:**  
- Measures bus voltage, shunt voltage, current, and power  
- Bidirectional current sensing  
- Programmable calibration for flexible current measurement ranges  
- Low offset and gain error for accurate measurements  
- Alert function for overcurrent/power conditions  
- Low quiescent current (typical 350 µA)  

This device is commonly used in applications such as power supplies, battery chargers, and embedded systems.

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